This collection of activities presents learners with intriguing questions about the universe and provides an opportunity to explore topics related to the search for life beyond our own planet. The collection includes eight existing classroom...(View More) activities that have been adapted for after school school settings. Each activity can be completed in one hour, however some activities require advance preparation. The activities also require materials that may need to be gathered by the instructor. However, these include commonly available supplies. The activities in this collection are targeted for 5-12 year olds. Separate instructions for the different age groups are provided as appropriate.(View Less)

In this laboratory activity, students investigate chromophoric dissolved organic matter (CDOM) through gradual dilution of black, green and chamomile tea. Through this activity, students discover how CDOM can dominate the absorption of sunlight, how...(View More) sunlight degrades CDOM through photochemical oxidation, and how CDOM levels are related to nutrient status, stratification and mixing of the ocean. Materials needed include coffee mugs, hot water, spoons, and tea. This resource is found in Rising Tides, a journal created for teachers and students reporting on current oceanography research conducted by NASA, NOAA, and university scientists, featuring articles, classroom activities, readings, teacher/student questions, and imagery for student investigation of marine science.(View Less)